In rhetoric, a scheme is a type of figure of speech that relies on the structure of the sentence, unlike the trope, which plays with the meanings of words.[1]
A single phrase may involve both a trope and a scheme, e.g., may use both alliteration and allegory.
Structures of balance
Parallelism – The use of similar structures in two or more clauses
Isocolon – Use of parallel structures of the same length in successive clauses
Tricolon – Use of three parallel structures of the same length in independent clauses and of increasing power
Antithesis – The juxtaposition of opposing or contrasting ideas
Climax – The arrangement of words in order of increasing importance